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| author | Hans de Goede <hdegoede@redhat.com> | 2015-05-05 23:56:13 +0200 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-05-06 12:48:36 -0600 |
| commit | 8d005ef81a7a6608401410a0f55fbcd5dd72f29c (patch) | |
| tree | 0baab2feeec2101e1bb4900a039b44699ca23513 /drivers/usb/host/ohci.h | |
| parent | cae01cb2a9f9a1c4df315e53b063f846d3b364a3 (diff) | |
| download | u-boot-imx-8d005ef81a7a6608401410a0f55fbcd5dd72f29c.zip u-boot-imx-8d005ef81a7a6608401410a0f55fbcd5dd72f29c.tar.gz u-boot-imx-8d005ef81a7a6608401410a0f55fbcd5dd72f29c.tar.bz2 | |
usb: ohci: Add proper cache flushing / invalidating for non cache coherent cpus
Add proper cache flushing / invalidating for non cache coherent cpus, for now
only enable this for new (driver-model) usb code to avoid regressions.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers/usb/host/ohci.h')
| -rw-r--r-- | drivers/usb/host/ohci.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index 24f5e4e..f52b4c1 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -18,6 +18,18 @@ # define ohci_writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a)) #endif /* CONFIG_SYS_OHCI_SWAP_REG_ACCESS */ +#if defined CONFIG_DM_USB && ARCH_DMA_MINALIGN > 16 +#define ED_ALIGNMENT ARCH_DMA_MINALIGN +#else +#define ED_ALIGNMENT 16 +#endif + +#if defined CONFIG_DM_USB && ARCH_DMA_MINALIGN > 32 +#define TD_ALIGNMENT ARCH_DMA_MINALIGN +#else +#define TD_ALIGNMENT 32 +#endif + /* functions for doing board or CPU specific setup/cleanup */ int usb_board_stop(void); @@ -52,7 +64,7 @@ struct ed { struct usb_device *usb_dev; void *purb; __u32 unused[2]; -} __attribute__((aligned(16))); +} __attribute__((aligned(ED_ALIGNMENT))); typedef struct ed ed_t; @@ -112,7 +124,7 @@ struct td { __u32 data; __u32 unused2[2]; -} __attribute__((aligned(32))); +} __attribute__((aligned(TD_ALIGNMENT))); typedef struct td td_t; #define OHCI_ED_SKIP (1 << 14) @@ -356,8 +368,8 @@ typedef struct #define NUM_TD 64 /* we need more TDs than EDs */ typedef struct ohci_device { - ed_t ed[NUM_EDS] __aligned(16); - td_t tds[NUM_TD] __aligned(32); + ed_t ed[NUM_EDS] __aligned(ED_ALIGNMENT); + td_t tds[NUM_TD] __aligned(TD_ALIGNMENT); int ed_cnt; } ohci_dev_t; @@ -371,7 +383,7 @@ typedef struct ohci_device { typedef struct ohci { /* this allocates EDs for all possible endpoints */ - struct ohci_device ohci_dev __aligned(32); + struct ohci_device ohci_dev __aligned(TD_ALIGNMENT); struct ohci_hcca *hcca; /* hcca */ /*dma_addr_t hcca_dma;*/ |